#define _CRT_SECURE_NO_WARNINGS

#include<stdio.h>

char findTheDifference(char* s, char* t)
{
    int ret = strlen(t);
    int ret1 = strlen(s);
    int sum = 0, sum1 = 0;
    for (int i = 0; i < ret; i++)
    {
        sum += t[i];
    }
    for (int i = 0; i < ret1; i++)
    {
        sum1 += s[i];
    }
    return sum - sum1;
}